socket.connect needs a tuple

TypeError
https://docs.python.org/2/library/socket.html
RTFD "Note This method has historically accepted a pair of parameters
for AF_INET addresses instead of only a tuple. This was never
intentional and is no longer available in Python 2.0 and later.
"

salt/utils/network.py

@@ -1893,7 +1893,7 @@ def dns_check(addr, port, safe=False, ipv6=None):
 
                 try:
                     s = socket.socket(h[0], socket.SOCK_STREAM)
-                    s.connect(candidate_addr, port)
+                    s.connect((candidate_addr, port))
                     s.close()
 
                     resolved = candidate_addr